Explanation

Following are the functions of a operating system.

1. Allocates resources
2. Monitor Activities
3. Manages disks and files

Explanation

Ctrl + R = use for Align selected text to the right.

Ctrl + E = use for Align selected text to the centre.

Ctrl + J = use for Justify paragraph alignment.

Ctrl + L = use for Align selected text to the left.

Ctrl + Q = use for Align selected paragraph to the left.

Explanation

Ctrl + N shortcut key used to Create a new presentation document

Ctrl + M shortcut key used for Insert a new slide

Ctrl + S shortcut key used to save a presentation

Explanation

Press CTRL + Shift + N at the same time to create the new folder.

Explanation

F2 function key is used to edit the content of a cell in MS-Excel.

Explanation

The shortcut key to select Text in MS Word is the Shift key + use mouse.

Additional information:

Crtl + S to save the document

Crtl + R to align a paragraph in the current document

Crtl + Y is a keyboard shortcut most often used to redo an action reversed using the undo command

Explanation

Explanation

Pressing the ESC key closes the Run dialog box in Windows.

ESC is a standard key for canceling or closing windows and dialog boxes.

Other related keys:

• Enter: Confirms and runs the command
• Tab: Moves the cursor between fields
• Shift: Used for modifying selections or keyboard shortcuts
• Alt + F4: Closes the current window or dialog box

Explanation

 F1 function key is used for opening help.

Some of the top shortcut keys in Microsoft Word are:

Ctrl + S: Save

Ctrl + C: Copy

Ctrl + X: Cut

Ctrl + V: Paste

Ctrl + Z: Undo

Ctrl + Y: Redo

Ctrl + B: Bold

Ctrl + I: Italic

Ctrl + U: Underline

Ctrl + F: Find

Explanation

Ctrl + Shift + F is the shortcut key for “Change the font" in MS Word.

Open the Font dialog box to change the font. Ctrl+Shift+F.

Increase the font size. Ctrl+Shift+>

Decrease the font size. Ctrl+Shift+<

Increase the font size by 1 point. Ctrl+]

Decrease the font size by 1 point. Ctrl+[